平菇覆土栽培是平菇速生高产的主要措施，可明显提高产量，减少病虫危害，节省劳力 4 0 %以上。但在实际生产中有部分菇农没有按操作规程做而出现一些问题，例如：菇体污染，倒垛、烧垛，病虫蔓延，出菇密度大等现象，为此笔者根据近几年的生产实践摸索出防止上述现象发生的几 Cultivated mushrooms are the main measures of fast-growing and high-yielding mushrooms, which can obviously increase the yield, reduce the harm of pests and diseases and save over 40% labor. However, in actual production, some mushroom farmers did not do some problems according to operating rules, for example: mushroom body pollution, inverted stack, burning stack, the spread of pests and diseases, fruiting density and so on, for which the author according to recent years Production practice to explore to prevent the occurrence of these phenomena a few